Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1975-11-03
1978-07-04
Garvin, Patrick P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
208215, B01J 2702
Patent
active
040987213
ABSTRACT:
A desulfurization catalyst is activated by being heated to a temperature between about 750.degree. and 850.degree. F. in the presence of the charge stock to be desulfurized during the initial stages of the on-stream period. In a preferred embodiment the catalyst, prior to the heat treatment, is sulfided at a low temperature and low pressure. The resulting catalyst effectively desulfurizes a petroleum hydrocarbon charge stock with reduced hydrogen consumption.
REFERENCES:
patent: 2744052 (1956-05-01), Nozaki
patent: 3224962 (1965-12-01), Baldwin
patent: 3441500 (1969-04-01), Wunderlich
patent: 3481862 (1969-12-01), Davis et al.
patent: 3516926 (1970-06-01), Davis et al.
patent: 3915894 (1975-10-01), Clements et al.
Callaghan Mary E.
Ganster Charles A.
Gilmer Lee K.
Miller Kenneth D.
Nelson Gerald V.
Garvin Patrick P.
Knox, Jr. Robert
Ries Carl G.
Texaco Inc.
Whaley Thomas H.
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